#!/usr/bin/env tclsh

package provide TBuild::Clang 0.1

package require TBuild

namespace eval TBuild::Clang {

  TBuild Set cflags {-Wall}

  proc obj {ofile cfile {cflags {}}} {

    TBuild MakeSource cfile

    TBuild MakeTarget ofile

    TBuild Depends $ofile $cfile

    TBuild Set -append $ofile cflags {*}$cflags

    # TODO: make the dependance for .h files

    TBuild Make ::TBuild::Clang::_cc_c $ofile $cfile

  }

  proc exe {xfile sfiles {libs {}}} {

    TBuild MakeTarget xfile

    TBuild Depends all $xfile

    set sources [list]

    foreach ofile $sfiles {

      switch -glob -- $ofile {

	*.c {

	  set cfile $ofile

	  set ofile [string replace $ofile end-1 end .o]

	  obj $ofile $cfile

	}

      }

      TBuild MakeGlobal ofile

      TBuild Depends $xfile $ofile

      lappend sources $ofile

    }

    TBuild Set -append $xfile clibs {*}$libs

    TBuild Make ::TBuild::Clang::_cc $xfile {*}$sources

  }

  proc _cc_c {target ofile cfile} {

    set cflags [TBuild Get $target cflags]

    TBuild Exec gcc -o $ofile {*}$cflags -c $cfile

  }

  proc _cc {target ofile args} {

    set cflags [TBuild Get $target cflags]

    set clibs  [TBuild Get $target clibs]

    TBuild Exec gcc -o $ofile {*}$clibs {*}$cflags {*}$args

  }

  proc Aliases {{prefix {TBuild Clang}}} {

    return {}

  }

  namespace export *

  namespace ensemble create

}